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Boutin JA, Witt-Enderby PA, Sotriffer C, Zlotos DP. Melatonin receptor ligands: A pharmaco-chemical perspective. J Pineal Res 2020; 69:e12672. [PMID: 32531076 DOI: 10.1111/jpi.12672] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 05/19/2020] [Accepted: 06/04/2020] [Indexed: 12/14/2022]
Abstract
Melatonin MT1 and MT2 receptor ligands have been vigorously explored for the last 4 decades. Inspection of approximately 80 publications in the field revealed that most melatonergic ligands were structural analogues of melatonin combining three essential features of the parent compound: an aromatic ring bearing a methoxy group and an amide side chain in a relative arrangement similar to that present in melatonin. While several series of MT2 -selective agents-agonists, antagonists, or partial agonists-were reported, the field was lacking MT1 -selective agents. Herein, we describe various approaches toward the development of melatonergic ligands, keeping in mind that most of the molecules/pharmacophores obtained were essentially melatonin copies, even though diverse tri- or tetra-cyclic compounds were explored. In addition to lack of structural diversity, only few studies examined the activity of the reported melatonergic ligands in vivo. Moreover, an extensive pharmacological characterization including biopharmaceutical stability, pharmacokinetic properties, specificity toward other major receptors to name a few remained scarce. For example, many of the antagonists described were not stable in vivo, were not selective for the melatonin receptor subtype of interest, and were not fully characterized from a pharmacological standpoint. Indeed, virtual screening of large compound libraries has led to the recent discovery of potent and selective melatonin receptor agonists and partial agonists of new chemotypes. Having said this, the melatonergic field is still lacking subtype-selective melatonin receptor antagonists "active" in vivo, which are critical to our understanding of melatonin and melatonin receptors' role in basic physiology and disease.
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MESH Headings
- Animals
- Humans
- Ligands
- Melatonin/chemistry
- Receptor, Melatonin, MT1/agonists
- Receptor, Melatonin, MT1/antagonists & inhibitors
- Receptor, Melatonin, MT1/chemistry
- Receptor, Melatonin, MT2/agonists
- Receptor, Melatonin, MT2/antagonists & inhibitors
- Receptor, Melatonin, MT2/chemistry
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Affiliation(s)
- Jean A Boutin
- Institut de Recherches Internationales SERVIER, Suresnes, France
| | - Paula A Witt-Enderby
- School of Pharmacy & Graduate School of Pharmaceutical, Administrative and Social Sciences, Duquesne University, Pittsburg, PA, USA
| | - Christoph Sotriffer
- Institute of Pharmacy and Food Chemistry, University of Würzburg, Würzburg, Germany
| | - Darius P Zlotos
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy and Biotechnology, The German University in Cairo, New Cairo City, Egypt
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Szulczyk D, Bielenica A, Kędzierska E, Leśniak A, Pawłowska A, Bujalska-Zadrożny M, Saccone I, Sparaco R, Fiorino F, Savchenko O, Struga M. G protein-coupled receptor binding and pharmacological evaluation of indole-derived thiourea compounds. Arch Pharm (Weinheim) 2019; 353:e1900218. [PMID: 31782553 DOI: 10.1002/ardp.201900218] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 10/18/2019] [Accepted: 11/15/2019] [Indexed: 12/16/2022]
Abstract
Four 2-(1H-indol-3-yl)ethylthiourea derivatives were prepared by condensation of 2-(1H-indol-3-yl)ethanamine with the corresponding aryl/alkylisothiocyanates in a medium-polarity solvent. Their structures were confirmed by spectral techniques, and the molecular structure of 3 was determined by X-ray crystal analysis. For all derivatives, the binding affinities at the 5-HT2A and 5-HT2C receptors, as well as their functional activities at the 5-HT1A and D2 receptors, were determined. The arylthioureas 1 and 4 were the most active at the 5-HT1A receptor, showing, at the same time, significant selectivity over the studied 5-HT2 and D2 receptor subtypes. The compounds were tested for their pharmacological activities within the central nervous system in relevant mouse models. The involvement of the serotonergic system in the activity of 1 and 4 was indicated. The antinociceptive action of 4 was linked to its anti-inflammatory activity.
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Affiliation(s)
- Daniel Szulczyk
- Department of Biochemistry, Medical University of Warsaw, Warszawa, Poland
| | - Anna Bielenica
- Department of Biochemistry, Medical University of Warsaw, Warszawa, Poland
| | - Ewa Kędzierska
- Department of Pharmacology and Pharmacodynamics, Medical University of Lublin, Lublin, Poland
| | - Anna Leśniak
- Department of Pharmacodynamics, Medicine Division, Centre for Preclinical Research and Technology, Faculty of Pharmacy with the Laboratory, Medical University of Warsaw, Warszawa, Poland
| | - Agata Pawłowska
- Department of Pharmacodynamics, Medicine Division, Centre for Preclinical Research and Technology, Faculty of Pharmacy with the Laboratory, Medical University of Warsaw, Warszawa, Poland
| | - Magdalena Bujalska-Zadrożny
- Department of Pharmacodynamics, Medicine Division, Centre for Preclinical Research and Technology, Faculty of Pharmacy with the Laboratory, Medical University of Warsaw, Warszawa, Poland
| | - Irene Saccone
- Department of Pharmacy, University of Naples Federico II, Naples, Italy
| | - Rosa Sparaco
- Department of Pharmacy, University of Naples Federico II, Naples, Italy
| | | | | | - Marta Struga
- Department of Biochemistry, Medical University of Warsaw, Warszawa, Poland
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Zhao F, Ma C, Zhao G, Wang G, Li X, Yang K. Rumen-Protected 5-Hydroxytryptophan Improves Sheep Melatonin Synthesis in the Pineal Gland and Intestinal Tract. Med Sci Monit 2019; 25:3605-3616. [PMID: 31091223 PMCID: PMC6534969 DOI: 10.12659/msm.915909] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Based on the extensive biological effects of melatonin (MLT), it is beneficial to increase the MLT content in the bodies of animals at a specific physiological stage. This study was conducted to investigate the effect of a diet supplemented with rumen-protected (RP) 5-hydroxytryptophan (5-HTP) on the pineal gland and intestinal tract MLT synthesis of sheep. MATERIAL AND METHODS Eighteen Kazakh sheep were assigned randomly to 3 diet groups: control group (CT, corn-soybean meal basal diet), CT+111 group (111 mg/kg BW RP 5-HTP), and CT+222 group (222 mg/kg BW RP 5-HTP). The gene expressions of aromatic amino acid decarboxylase (AADC), arylalkylamine N-acetyltransferase (AA-NAT), hydroxyindole-O-methyltransferase (HIOMT), monoamine oxidase A (MAOA), and the intermediates of MLT synthesis were observed from the pineal gland and intestinal tract by the reverse transcription (RT)-PCR method. The 5-HTP, 5-HT, N-acetylserotonin (NAS), MLT, and 5-hydroxyindole acetic acid (5-HIAA) contents in the pineal gland and intestinal tract were analyzed by ultra-high-performance liquid chromatography-tandem mass spectrometry. RESULTS The study showed that the pineal gland HIOMT expression (P<0.05), MLT (P<0.05) and 5-HIAA (P<0.05) levels in the 222 mg/kg group significantly increased compared to those in the CT and CT+111 mg/kg groups. In addition, the AADC (P<0.01) and AA-NAT (P<0.05) gene expression levels in the duodenum and jejunum were increased by the supplementation of RP 5-HTP. CONCLUSIONS Rumen-protected 5-hydroxytryptophan promoted melatonin synthesis in the pineal gland and intestinal tract during the natural light period.
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Affiliation(s)
- Fang Zhao
- College of Animal Science, Xinjiang Agricultural University, Urumqi, Xinjiang, China (mainland)
| | - Chen Ma
- College of Animal Science, Xinjiang Agricultural University, Urumqi, Xinjiang, China (mainland)
| | - Guodong Zhao
- College of Animal Science, Xinjiang Agricultural University, Urumqi, Xinjiang, China (mainland)
| | - Gen Wang
- College of Animal Science, Xinjiang Agricultural University, Urumqi, Xinjiang, China (mainland)
| | - Xiaobin Li
- College of Animal Science, Xinjiang Agricultural University, Urumqi, Xinjiang, China (mainland)
| | - Kailun Yang
- College of Animal Science, Xinjiang Agricultural University, Urumqi, Xinjiang, China (mainland)
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Abstract
INTRODUCTION Agomelatine is an antidepressant with unique pharmacological actions; it is both a melatonin agonist and selective serotonin antagonist. Both actions combined are necessary for antidepressant efficacy. Effects on melatonin receptors enable resynchronisation of disrupted circadian rhythms with beneficial effects on sleep patterns. Areas covered: The issue of use of an antidepressant for depression co-morbid with somatic disorders is covered by the authors. A review of the literature from 2000 to August 2018 was undertaken using Scopus and Web of Science with the key words: agomelatine, depression, medical illness. Depression in Parkinson's disease, cardiovascular illness and type II diabetes is reviewed with evidence of efficacy. Bipolar depression and seasonal affective disorder may also react favourably. Agomelatine may have specific efficacy on symptoms of anhedonia. Expert opinion: Despite approval in some major jurisdictions, the drug has failed to gain registration in the United States. A defining issue may be questions about longer term efficacy: unequivocal effectiveness in placebo-controlled relapse prevention studies has not always been demonstrated. Continuation studies suggest maintenance of clinical responsiveness. A major disadvantage of the drug is its' potential hepatotoxicity and the need for repeated clinical laboratory tests.
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Affiliation(s)
- Trevor R Norman
- a Department of Psychiatry , University of Melbourne, Austin Hospital , Heidelberg , Australia
| | - James S Olver
- a Department of Psychiatry , University of Melbourne, Austin Hospital , Heidelberg , Australia
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Duroux R, Rami M, Landagaray E, Ettaoussi M, Caignard DH, Delagrange P, Melnyk P, Yous S. Synthesis and biological evaluation of new naphtho- and quinolinocyclopentane derivatives as potent melatoninergic (MT 1 /MT 2 ) and serotoninergic (5-HT 2C ) dual ligands. Eur J Med Chem 2017; 141:552-566. [DOI: 10.1016/j.ejmech.2017.10.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Revised: 10/08/2017] [Accepted: 10/09/2017] [Indexed: 01/02/2023]
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Yahiaoui S, Hamidouche K, Ballandonne C, Davis A, de Oliveira Santos JS, Freret T, Boulouard M, Rochais C, Dallemagne P. Design, synthesis, and pharmacological evaluation of multitarget-directed ligands with both serotonergic subtype 4 receptor (5-HT4R) partial agonist and 5-HT6R antagonist activities, as potential treatment of Alzheimer's disease. Eur J Med Chem 2016; 121:283-293. [PMID: 27266998 DOI: 10.1016/j.ejmech.2016.05.048] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Revised: 05/20/2016] [Accepted: 05/21/2016] [Indexed: 01/27/2023]
Abstract
5-HT4 receptor (5-HT4R) activation and blockade of the 5-HT6 receptor (5-HT6R) are known to enhance the release of numerous neurotransmitters whose depletion is implicated in Alzheimer's disease (AD). Furthermore, 5-HT4R agonists seem to favor production of the neurotrophic soluble amyloid protein precursor alpha (sAPPα). Consequently, combining 5-HT4R agonist/5-HT6R antagonist activities in a single chemical compound would constitute a novel approach able to display both a symptomatic and disease-modifying effect in AD. Seventeen novel derivatives of RS67333 (1) were synthesized and evaluated as potential dual-target compounds. Among them, four agents showed nanomolar and submicromolar affinities toward 5-HT4R and 5-HT6R, respectively; one of them, 7m, was selected on the basis of its in vitro affinity (Ki5-HT4R = 5.3 nM, Ki5-HT6R = 219 nM) for further in vivo experiments, where 7m showed an antiamnesic effect in the mouse at 1 mg/kg ip.
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Affiliation(s)
- Samir Yahiaoui
- Normandie Université, UNICAEN, CERMN (Centre d'Etudes et de Recherche sur le Médicament de Normandie), F-14032, Caen, France
| | - Katia Hamidouche
- Normandie Université, UNICAEN, GMPc (Groupe Mémoire et Plasticité comportementale), F-14032, Caen, France
| | - Céline Ballandonne
- Normandie Université, UNICAEN, CERMN (Centre d'Etudes et de Recherche sur le Médicament de Normandie), F-14032, Caen, France
| | - Audrey Davis
- Normandie Université, UNICAEN, CERMN (Centre d'Etudes et de Recherche sur le Médicament de Normandie), F-14032, Caen, France
| | - Jana Sopkova de Oliveira Santos
- Normandie Université, UNICAEN, CERMN (Centre d'Etudes et de Recherche sur le Médicament de Normandie), F-14032, Caen, France
| | - Thomas Freret
- Normandie Université, UNICAEN, GMPc (Groupe Mémoire et Plasticité comportementale), F-14032, Caen, France
| | - Michel Boulouard
- Normandie Université, UNICAEN, GMPc (Groupe Mémoire et Plasticité comportementale), F-14032, Caen, France
| | - Christophe Rochais
- Normandie Université, UNICAEN, CERMN (Centre d'Etudes et de Recherche sur le Médicament de Normandie), F-14032, Caen, France.
| | - Patrick Dallemagne
- Normandie Université, UNICAEN, CERMN (Centre d'Etudes et de Recherche sur le Médicament de Normandie), F-14032, Caen, France.
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Couhert A, Delagrange P, Caignard DH, Chartier A, Suzenet F, Guillaumet G. Synthesis of 2-arylfuro[3,2-b]pyridines: Effect of the C2-aryl group on melatoninergic activity. Eur J Med Chem 2016; 109:268-75. [DOI: 10.1016/j.ejmech.2016.01.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Revised: 01/07/2016] [Accepted: 01/09/2016] [Indexed: 10/22/2022]
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Viault G, Poupart S, Mourlevat S, Lagaraine C, Devavry S, Lefoulon F, Bozon V, Dufourny L, Delagrange P, Guillaumet G, Suzenet F. Design, synthesis and biological evaluation of fluorescent ligands for MT1 and/or MT2 melatonin receptors. RSC Adv 2016. [DOI: 10.1039/c6ra10812a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Fluorescent melatoninergic ligands have been designed by associating the 4-azamelatonin ligands with different fluorophores.
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Affiliation(s)
- G. Viault
- Institut de Chimie Organique et Analytique
- Université d’Orléans
- UMR CNRS 7311
- 45067 Orléans Cedex 2
- France
| | - S. Poupart
- Institut de Chimie Organique et Analytique
- Université d’Orléans
- UMR CNRS 7311
- 45067 Orléans Cedex 2
- France
| | | | | | | | | | - V. Bozon
- PRC
- INRA
- CNRS
- IFCE
- Université de Tours
| | | | - P. Delagrange
- Institut de Recherche Servier
- Sciences Expérimentales
- 78290 Croissy
- France
| | - G. Guillaumet
- Institut de Chimie Organique et Analytique
- Université d’Orléans
- UMR CNRS 7311
- 45067 Orléans Cedex 2
- France
| | - F. Suzenet
- Institut de Chimie Organique et Analytique
- Université d’Orléans
- UMR CNRS 7311
- 45067 Orléans Cedex 2
- France
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